Home / 10,029.24-13,840.37-5,491.90

Finding the Fourth Proportional to 10,029.24, 13,840.37 and 5,491.90

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Solution

The fourth proportional to 10,029.24, 13,840.37 and 5,491.90 is: 7,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.24 : 13,840.37 = 5,491.90 : x
  2. Step 2: Convert to fraction form
    10,029.24/13,840.37 = 5,491.90/x
  3. Step 3: Cross multiply
    10,029.24x = 13,840.37 × 5,491.90
  4. Step 4: Simplify right side
    10,029.24x = 76,009,938.44
  5. Step 5: Solve for x
    x = 76,009,938.44/10,029.24
  6. Step 6: Final answer
    x = 7,578.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.